SB2021033034 - Information disclosure in Linux kernel qrtr implementation 



SB2021033034 - Information disclosure in Linux kernel qrtr implementation

Published: March 30, 2021 Updated: October 4, 2021

Security Bulletin ID SB2021033034
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2021-29647)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to an error in qrtr_recvmsg(0 function in net/qrtr/qrtr.c caused by a partially uninitialized data structure. A local user can read sensitive information from kernel memory.


Remediation

Install update from vendor's website.